rockinrobin, were you diagnosed with GPA by tissue biopsy. Nasal and sinus symptoms overlap with Lupus and GPA. Cheers to the sinus doctor, but death at one month is a little suspicious.
Will the infusion be Rituxan? https://www.rituxan.com/gpa-mpa.html Steroid?
It's just that you are having the early symptoms of GPA and have been having them for almost two years.